The mineral "feldspar" is spelled as /ˈfɛldspɑr/. The first part "feld" comes from the German word "Feld" meaning field and the second part "spar" means "to save" in German. So, feldspar literally translates to "field saver". This mineral is found in various colors such as white, pink, brown, and gray, and is commonly used in the production of ceramics and glass. The spelling and pronunciation of feldspar may vary slightly depending on regional dialects and accents.
Feldspar is a group of abundant and diverse minerals composed primarily of silicate compounds, which form a major constituent of the Earth's crust. It is one of the most common minerals and constitutes a significant proportion of the earth's rock formations.
Feldspar minerals are categorized into three main types: potassium feldspar, sodium feldspar, and calcium feldspar. These minerals are classified based on the predominant element present within their chemical composition. They typically exhibit a vitreous to pearly luster and can occur in a range of colors such as white, pink, yellow, gray, or green.
Being an important industrial mineral, feldspar finds various applications due to its unique physical and chemical properties. It is largely used in ceramics, glass manufacturing, cement production, and as a filler in various industrial products. Feldspar is also utilized in making pottery, as it acts as a flux, reducing the melting temperature of other substances like clay and enabling the formation of a glassy texture when fired.
In addition to its industrial significance, feldspar has also been considered a significant component in many geological processes. It plays a crucial role in the formation of igneous rocks, and its weathering contributes to the enrichment of soils. Moreover, feldspar serves as a dating tool for geologists, as certain isotopes present within the mineral can be used to determine the age of rocks and geological formations.
Other spellings of felspar, which see.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "feldspar" comes from the German word "Feldspath", which in turn is derived from the words "Feld" meaning "field" and "Spath" meaning "rock". It was named so because feldspar is commonly found in rocks that form from the cooling and solidification of magma in the Earth's crust. The term was first used in the early 19th century to describe a group of rock-forming minerals that share similar properties.